CVE-2019-11555

The EAP-pwd implementation in hostapd (EAP server) before 2.8 and wpa_supplicant (EAP peer) before 2.8 does not validate fragmentation reassembly state properly for a case where an unexpected fragment could be received. This could result in process termination due to a NULL pointer dereference (denial of service). This affects eap_server/eap_server_pwd.c and eap_peer/eap_pwd.c.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 93%
VendorProductVersion
w1.fihostapd
𝑥
< 2.8
w1.fiwpa_supplicant
𝑥
< 2.8
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
wpa
bullseye
2:2.9.0-21+deb11u2
fixed
bullseye (security)
2:2.9.0-21+deb11u2
fixed
bookworm
2:2.10-12+deb12u2
fixed
bookworm (security)
2:2.10-12+deb12u2
fixed
sid
2:2.10-22
fixed
trixie
2:2.10-22
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
wpa
disco
Fixed 2:2.6-21ubuntu3.1
released
cosmic
Fixed 2:2.6-18ubuntu1.2
released
bionic
Fixed 2:2.6-15ubuntu2.3
released
xenial
Fixed 2.4-0ubuntu6.5
released
trusty
Fixed 2.1-0ubuntu1.7+esm1
released
Common Weakness Enumeration
References
http://www.openwall.com/lists/oss-security/2019/04/26/1
https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T7G763UECWR7FQXOJVL67PW7C5A3SA4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJKZHAT5KPUN26JL77EUH563GAH5XZ5C/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IQ6P2GI5GSXRNLNIUNPARFZQVDEIGVZD/
https://seclists.org/bugtraq/2019/May/40
https://seclists.org/bugtraq/2019/May/64
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc
https://security.gentoo.org/glsa/201908-25
https://usn.ubuntu.com/3969-1/
https://usn.ubuntu.com/3969-2/
https://w1.fi/security/2019-5/
https://w1.fi/security/2019-5/eap-pwd-message-reassembly-issue-with-unexpected-fragment.txt
https://www.debian.org/security/2019/dsa-4450
https://www.openwall.com/lists/oss-security/2019/04/18/6
http://www.openwall.com/lists/oss-security/2019/04/26/1
https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5T7G763UECWR7FQXOJVL67PW7C5A3SA4/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJKZHAT5KPUN26JL77EUH563GAH5XZ5C/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IQ6P2GI5GSXRNLNIUNPARFZQVDEIGVZD/
https://seclists.org/bugtraq/2019/May/40
https://seclists.org/bugtraq/2019/May/64
https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc
https://security.gentoo.org/glsa/201908-25
https://usn.ubuntu.com/3969-1/
https://usn.ubuntu.com/3969-2/
https://w1.fi/security/2019-5/
https://w1.fi/security/2019-5/eap-pwd-message-reassembly-issue-with-unexpected-fragment.txt
https://www.debian.org/security/2019/dsa-4450
https://www.openwall.com/lists/oss-security/2019/04/18/6